Description

This is a triple voltage controlled comparator designed to work with the Gijs Gieskes 3TrinsRGB-1c Videosynthesizer.

What is a comparator:
Comparators in video processing are used for keying. You can use the patchbay outputs of the 3trinsRGB-1c and compare these to a voltage threshold. Bias / offset can be set either manually or via CV input signals – the outputs will be a hard-edged versions of the initial image.

Each Comparator channel (total of three) has 2×1 signal input, 1 CV input, 1 bias control and 2×2 outputs (positive and negative result). The module is powered by the 3TrinsRGB patchbay. (HIGH and GND)

The module is designed to accept Eurorack CV voltages. (+10 volt envelopes and -5v +5v LFO signals), negative voltages will be clipped and the input voltage is scaled to 0 to 2.5v.

This new version (v6) has a 8HP black panel and a large pin patchbay for easy patching. The CV inputs are normalled to the next channels, so you can control all three channels with one CV input patched, or each channel separately with all channels patched.

Features:

• 3x Bias knobs
• 3x CV jack normalised downwards
• Patchbay with 2×3 inputs, 2×6 outputs, 3x HIGH, 3x GND

Specs

• Power usage: powered by the 3TrinsRGB1-c
• Reverse polarity protection
• 8HP Black panel, red knobs
• Depth: 25mm
• Signals: Video and CV

Triple Comparator V6 – Build Document